TPS22941 datasheet(4/19 Pages) TI

4 / 19 page

TPS22941, TPS22942, TPS22943, TPS22944, TPS22945

SLVS832C – NOVEMBER 2008 – REVISED NOVEMBER 2009

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ABSOLUTE MAXIMUM RATINGS

(1)

MIN

MAX

UNIT

Input voltage range

VIN, VOUT, ON

–0.3

Operating junction temperature range

–40

125

°C

Tstg

Storage temperature range

–65

150

°C

Human-Body Model (HBM)

ESD

Electrostatic discharge protection

Charged-Device Model (CDM)

(1)

Stresses beyond those listed under absolute maximum ratings may cause permanent damage to the device. These are stress ratings

only, and functional operation of the device at these or any other conditions beyond those indicated under Recommended Operating

Conditions is not implied. Exposure to absolute-maximum-rated conditions for extended periods may affect device reliability.

THERMAL IMPEDANCE RATINGS

UNIT

θJA

Package thermal impedance(1)

DCK package

259

°C/W

(1)

The package thermal impedance is calculated in accordance with JESD 51-7.

RECOMMENDED OPERATING CONDITIONS

MIN

MAX

UNIT

VIN

Input voltage

1.62

5.5

VOUT

Output voltage

VIN

Ambient free-air temperature

–40

°C

ELECTRICAL CHARACTERISTICS

VIN = 1.62 V to 5.5 V, TA = –40°C to 85°C (unless otherwise noted)

PARAMETER

TEST CONDITIONS

MIN TYP(1) MAX

UNIT

IIN

Quiescent current

IOUT = 0 mA,

VIN = 1.62 V to 5.5 V

Full

μA

VON = 0 V (TPS22943/4/5)

VIN = 3.6 V,

IIN(OFF)

OFF-State supply current

Full

μA

VOUT open

VON = VIN (TPS22941/2)

VON = 0 V (TPS22943/4/5)

VIN = 3.6 V,

IOUT(LEAKAGE) OFF-State switch current

Full

μA

VOUT short to GND

VON = VIN (TPS22941/2)

25°C

0.4

0.5

VIN = 5.5 V

Full

0.6

25°C

0.5

0.6

VIN = 3.3 V

Full

0.7

25°C

0.6

0.7

rON

ON-state resistance

IOUT = 20 mA

VIN = 2.5 V

Ω

Full

0.8

25°C

0.8

0.9

VIN = 1.8 V

Full

1.1

25°C

0.9

1.1

VIN = 1.62 V

Full

1.2

ION

ON input leakage current

VON = VIN or GND

Full

μA

TPS22941/3

ILIM

Current limit

VIN = 3.3 V, VOUT = 3 V

Full

TPS22942/4/5

100

150

200

Shutdown threshold

140

Thermal shutdown

Return from shutdown

Full

130

°C

Hysteresis

(1)

Typical values are at VIN = 3.3 V and TA = 25°C.

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